[PATCH v2 3/3] board: presidio-asic: Add CAxxxx Ethernet support

[Alex Nemirovsky]

Add CAxxxx Ethernet support for the Cortina Access
Presidio Engineering Board

Signed-off-by: Alex Nemirovsky <alex.nemirovsky at cortina-access.com>
CC: Tom Rini <trini at konsulko.com>

---

Changes in v2:
- only support DM_ETH network models by removing
code for legacy mode support

 arch/arm/dts/ca-presidio-engboard.dts        |  7 +++++++
 board/cortina/presidio-asic/presidio.c       | 31 ++++++++++++++++++++++++++++
 configs/cortina_presidio-asic-emmc_defconfig |  4 +++-
 include/configs/presidio_asic.h              | 15 +++++++++++++-
 4 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/ca-presidio-engboard.dts b/arch/arm/dts/ca-presidio-engboard.dts
index 40c93d7..4e5681a 100644
--- a/arch/arm/dts/ca-presidio-engboard.dts
+++ b/arch/arm/dts/ca-presidio-engboard.dts
@@ -64,4 +64,11 @@
 			spi-max-frequency = <108000000>;
 		};
 	};
+
+	eth: ethnet at 0xf4300000 {
+		compatible = "eth_cortina";
+		reg = <0x0 0xf4320000 0x34>,
+		      <0x0 0xf43290d8 0x04>,
+		      <0x0 0xf4304000 0x04>;
+	};
 };
diff --git a/board/cortina/presidio-asic/presidio.c b/board/cortina/presidio-asic/presidio.c
index 3c132f1..74e0ba6 100644
--- a/board/cortina/presidio-asic/presidio.c
+++ b/board/cortina/presidio-asic/presidio.c
@@ -134,3 +134,34 @@ int last_stage_init(void)
 	return 0;
 }
 #endif
+
+enum ca_port_t {
+	NI_PORT_0 = 0,
+	NI_PORT_1,
+	NI_PORT_2,
+	NI_PORT_3,
+	NI_PORT_4,
+	NI_PORT_5,
+	NI_PORT_MAX,
+};
+
+struct port_map_s {
+	int active_port;
+	int phy_addr;
+};
+
+/* port0: phy address 1 - GMAC0: port 0
+ * port1: phy address 2 - GMAC1: port 1
+ * port2: phy address 3 - GMAC2: port 2
+ * port3: phy address 4 - GMAC3: port 3
+ * port4: phy address 5 - RGMII: port 4
+ */
+struct port_map_s port_map[NI_PORT_MAX] = {
+	{NI_PORT_0, 1},
+	{NI_PORT_1, 2},
+	{NI_PORT_2, 3},
+	{NI_PORT_3, 4},
+	{NI_PORT_4, 5}
+};
+
+int active_port = NI_PORT_3;  /* Physical port 3 */
diff --git a/configs/cortina_presidio-asic-emmc_defconfig b/configs/cortina_presidio-asic-emmc_defconfig
index e10008a..360ebeb 100644
--- a/configs/cortina_presidio-asic-emmc_defconfig
+++ b/configs/cortina_presidio-asic-emmc_defconfig
@@ -21,12 +21,14 @@ CONFIG_CMD_EXT4=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_DEFAULT_DEVICE_TREE="ca-presidio-engboard"
-# CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_CORTINA_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_CORTINA=y
+CONFIG_PHYLIB=y
+CONFIG_DM_ETH=y
+CONFIG_CORTINA_NI_ENET=y
 CONFIG_DM_SERIAL=y
 CONFIG_CORTINA_UART=y
 CONFIG_WDT=y
diff --git a/include/configs/presidio_asic.h b/include/configs/presidio_asic.h
index 51177f4..8cbb1df 100644
--- a/include/configs/presidio_asic.h
+++ b/include/configs/presidio_asic.h
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2020 Cortina Access Inc.
  *
- * Configuration for Cortina-Access Presidio board.
+ * Configuration for Cortina-Access Presidio board
  */
 
 #ifndef __PRESIDIO_ASIC_H
@@ -64,6 +64,19 @@
 					sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 
+#define KSEG1_ATU_XLAT(x) (x)
+
+/* HW REG ADDR */
+#define NI_READ_POLL_COUNT                      1000
+#define CA_NI_MDIO_REG_BASE                     0xF4338
+#define NI_HV_GLB_MAC_ADDR_CFG0_OFFSET          0x010
+#define NI_HV_GLB_MAC_ADDR_CFG1_OFFSET          0x014
+#define NI_HV_PT_BASE                           0x400
+#define NI_HV_XRAM_BASE                         0x820
+#define GLOBAL_BLOCK_RESET_OFFSET               0x04
+#define GLOBAL_GLOBAL_CONFIG_OFFSET             0x20
+#define GLOBAL_IO_DRIVE_CONTROL_OFFSET          0x4c
+
 /* max command args */
 #define CONFIG_SYS_MAXARGS		64
 #define CONFIG_EXTRA_ENV_SETTINGS	"silent=y\0"
-- 
2.7.4